Recent advances in upconversion nanoparticle-based nanocomposites for gas therapy

Area of Science:

• Nanotechnology
• Biomedical Engineering
• Materials Science

Background:

• Gas therapy is a promising treatment modality for various diseases.
• Controlled gas release is crucial for effective and safe biomedical applications.
• Upconversion nanoparticles (UCNPs) offer unique optical properties for light-triggered therapeutic strategies.

Purpose of the Study:

• To review recent advancements in UCNP-based nanocomposites for gas therapy.
• To explore the role of various therapeutic gases (NO, O2, H2, H2S, SO2, CO) in UCNP-mediated treatments.
• To discuss the potential applications and future directions of UCNP-based gas therapy.

Main Methods:

• Literature review of UCNP-based nanocomposites for gas therapy.
• Analysis of UCNP upconversion luminescence (UCL) for controlled gas release mechanisms.
• Summarization of studies demonstrating UCNP applications in different therapeutic areas.

Main Results:

• UCNPs can convert long-wavelength light to UV/Vis light, enabling precise control over gas release.
• UCNP-based nanocomposites have shown significant promise in cancer therapy, bacterial therapy, anti-inflammation, and neuromodulation.
• Various gases, including NO, O2, H2, H2S, SO2, and CO, are effectively utilized in UCNP-mediated gas therapy.

Conclusions:

• UCNP-based nanocomposites represent a powerful platform for developing advanced gas therapies.
• Controlled gas release via UCNPs opens new avenues for treating complex diseases.
• Further research into UCNP-based gas therapy holds significant potential for clinical translation.